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Cummins and Tula study of Diesel Dynamic Skip Fire (dDSF) shows 74% reduction in NOx, 5% in CO2 on low load cycle

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a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series diesel engine. Cummins Inc. Earlier post.).

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UMTRI study finds US diesel vehicles generally have lower total cost of ownership than gasoline vehicles

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TCO for selected gas and diesel vehicles over a 3 year timeframe. Diesel vehicles generally saved owners between $2,000 to $6,000 in total ownership costs during a three to five year period when compared to similar gasoline vehicles, according to data compiled by the University of Michigan Transportation Research Institute (UMTRI).

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UMTRI study finds diesel vehicles save owners thousands in total ownership costs compared to gasoline vehicles

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Drivers of diesel vehicles can save thousands of dollars in total ownership costs compared to similar gasoline vehicles, according to a University of Michigan Transportation Research Institute (UMTRI) study. —UMTRI researcher Bruce Belzowski. Belzowski and UMTRI colleague Paul E.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

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CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. The C 180 (115 kW) with manual transmission was taken as the base variant of the new C-Class at market launch for the lifecycle analysis; it was compared with the corresponding preceding model. Source: Mercedes-Benz. Click to enlarge.

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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

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Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.

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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. Additionally, the A 200 CDI 4MATIC and A 220 CDI 4MATIC represent the first all-wheel-drive diesel models forming part of the new generation of compact cars from Mercedes-Benz.

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Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

Green Car Congress

For the mobility of the future, we are deliberately not committing ourselves to one solitary form of drive system, but to a coexistence of efficient and clean petrol engines, diesels, plug-in hybrids, battery and hydrogen drive systems. The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system.

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